TDA2030A Audio Amplifier Module Power Audio Amplifier Board AMP 6~12V Product Description 1.Onboard TDA2030A audio power amplifier chip. 2.Single channel 18W power amplifier circuit design. 3.Onboard the loudspeaker wiring seat. 4.Onboard 10K adjustable resistor, can adjust the enlarged volume. 5.Onboard power indicator. 6.Working Voltage: 6~12V. 7.Board Size: 31.6mm x 23.2mm